Crimzon
®
Infrared Microcontrollers
ZLP12840 OTP MCU
with Learning Amplification
Product Specification
PS024410-0108
PRELIMINARY
Copyright ©2008 by Zilog
®
, Inc. All rights reserved.
www.zilog.com
Warning:
DO NOT USE IN LIFE SUPPORT
LIFE SUPPORT POLICY
ZILOG'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE
SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS PRIOR WRITTEN APPROVAL OF
THE PRESIDENT AND GENERAL COUNSEL OF ZILOG CORPORATION.
As used herein
Life support devices or systems are devices which (a) are intended for surgical implant into the body, or (b)
support or sustain life and whose failure to perform when properly used in accordance with instructions for
use provided in the labeling can be reasonably expected to result in a significant injury to the user. A
critical component is any component in a life support device or system whose failure to perform can be
reasonably expected to cause the failure of the life support device or system or to affect its safety or
effectiveness.
Document Disclaimer
©2008 by Zilog, Inc. All rights reserved. Information in this publication concerning the devices,
applications, or technology described is intended to suggest possible uses and may be superseded. ZILOG,
INC. DOES NOT ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF ACCURACY
OF THE INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED IN THIS DOCUMENT.
Z I L O G A L S O D O E S N O T A S S U M E L I A B I L I T Y F O R I N T E L L E C T U A L P R O P E RT Y
INFRINGEMENT RELATED IN ANY MANNER TO USE OF INFORMATION, DEVICES, OR
TECHNOLOGY DESCRIBED HEREIN OR OTHERWISE. The information contained within this
document has been verified according to the general principles of electrical and mechanical engineering.
Z8, Z8 Encore!, Z8 Encore! XP, Z8 Encore! MC, Crimzon, eZ80, and ZNEO are trademarks or registered
trademarks of Zilog, Inc. All other product or service names are the property of their respective owners.
PS024410-0108
P R E L I M I N A R Y
ZLP12840 OTP MCU
Product Specification
iii
Revision History
Each instance in Revision History reflects a change to this document from its previous
revision. For more details, refer to the corresponding pages and appropriate links in the
table below.
Date
January
2008
Revision
Level
10
Description
Updated
Table 61.
Page No
129
September 09
2007
1, 5, 8, 103,
Updated
Features
section,
Figure 2, Figure 3,
SMR1 Register Events,
and
Ordering Information
and
141
section. Added
Applications and Support Tools
section.
Updated Disclaimer page and implemented style All
guide.
Updated
Voltage Detection
section.
97
July 2007
February
2007
January
2006
08
07
06
Removed the trademark symbol (TM) from LXM. All
PS024410-0108
PRELIMINARY
Revision History
ZLP12840 OTP MCU
Product Specification
iv
Table of Contents
Architectural Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
I/O Port Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comparator Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comparator Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port Configuration Register (PCON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 0 Mode Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 0 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 2 Mode Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 2 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 3 Mode Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Port 3 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Memory and Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OTP Program/Constant Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Register File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Register Pointer Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Linear Memory Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Program Memory Paging Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Register Pointer Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
User Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stack Pointer Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
12
13
14
19
19
19
20
21
22
23
24
25
27
27
28
29
31
32
33
35
36
36
Register File Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Infrared Learning Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Universal Asynchronous Receiver/Transmitter . . . . . . . . . . . . . . . . . . . . . . . .
Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45
45
46
46
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P R E L I M I N A R Y
Table of Contents
ZLP12840 OTP MCU
Product Specification
v
Transmitting Data Using the Polled Method . . . . . . . . . . . . . . . . . . . . . . . .
Transmitting Data Using the Interrupt-Driven Method . . . . . . . . . . . . . . . . .
Receiving Data Using the Polled Method . . . . . . . . . . . . . . . . . . . . . . . . . .
Receiving Data Using the Interrupt-Driven Method . . . . . . . . . . . . . . . . . . .
UART Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UART Baud Rate Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UART Receive Data Register/UART Transmit Data Register . . . . . . . . . . . . . .
UART Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UART Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Baud Rate Generator Constant Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer Functional Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T8 TRANSMIT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T8 DEMODULATION Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T16 TRANSMIT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T16 DEMODULATION Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PING-PONG Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer 8 Capture High Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer 8 Capture Low Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer 16 Capture High Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer 16 Capture Low Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer 16 High Hold Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer 16 Low Hold Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer 8 High Hold Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer 8 Low Hold Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Counter/Timer 8 Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T8 and T16 Common Functions Register . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer 16 Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timer 8/Timer 16 Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interrupt Priority Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interrupt Request Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interrupt Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
47
48
49
49
50
52
54
55
56
57
59
60
60
61
64
68
69
70
71
72
72
73
73
74
74
75
75
76
76
78
82
83
85
89
90
92
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Crystal 1 Oscillator Pin (XTAL1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
PS024410-0108
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Table of Contents
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